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cond-mat.mes-hall2004★ 288 cited
Quantum noise in the Josephson charge qubit
O. Astafiev, Yu. A. Pashkin, Y. Nakamura +2
We study decoherence of the Josephson charge qubit by measuring energy relaxation and dephasing with help of the single-shot readout. We found that the dominant energy relaxation p…
cond-mat.mes-hall2004★ 81 cited
Single-shot measurement of the Josephson charge qubit
O. Astafiev, Yu. A. Pashkin, T. Yamamoto +2
We demonstrate single-shot readout of quantum states of the Josephson charge qubit. The quantum bits are transformed into and stored as classical bits (charge quanta) in a dynamic…